197944007 has 8 divisors (see below), whose sum is σ = 202744080. Its totient is φ = 193152960.

The previous prime is 197944001. The next prime is 197944009. The reversal of 197944007 is 700449791.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 197944007 - 2²⁶ = 130835143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197944001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67757 + ... + 70617.

It is an arithmetic number, because the mean of its divisors is an integer number (25343010).

Almost surely, 2^197944007 is an apocalyptic number.

197944007 is a deficient number, since it is larger than the sum of its proper divisors (4800073).

197944007 is a wasteful number, since it uses less digits than its factorization.

197944007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 197944007 is about 14069.2575141690. The cubic root of 197944007 is about 582.7927214121.

The spelling of 197944007 in words is "one hundred ninety-seven million, nine hundred forty-four thousand, seven".